CVE-2025-55099 | BDVDB-2026-298489 Detail

Eclipse FoundationUSBX

Description#

In USBX before 6.4.3, the USB support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in _ux_host_class_audio_alternate_setting_locate() when parsing a descriptor with attacker-controlled frequency fields.

Impact#

Per CVSS v4.0: confidentiality impact none, integrity impact low, availability impact none. Attack vector: physical.

Weaknesses#

CWE-125 Out-of-bounds Read

References#

https://github.com/eclipse-threadx/usbx/security/advisories/GHSA-93mv-fcpr-9488

Exploit#

No public exploit known

History#

Version 12025-10-17Record published in the CVE List.

Published

Published: 2025-10-17
Last modified: 2025-10-17

Vendor information

Vendor: Eclipse Foundation
Product: USBX

All Eclipse Foundation vulnerabilities

Score

2.4 Low

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 28.2.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 6.4.3
Fixed
6.4.3

Scoring System

CVSS v4.0

2.4 Low

CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Metric breakdown
Attack Vector	Physical
Attack Complexity	Low
Attack Requirements	None
Privileges Required	None
User Interaction	None
Vulnerable System Confidentiality	None
Vulnerable System Integrity	Low
Vulnerable System Availability	None
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).